Properties of the Number 42004

Forty-Two Thousand Four

Basics

Value: 42003 → 42004 → 42005

Parity: even

Prime: No

Previous Prime: 41999

Next Prime: 42013

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 10501

Divisors: 1, 2, 4, 10501, 21002, 42004

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010000010100

Octal: 122024

Duodecimal: 20384

Hexadecimal: a414

Square: 1764336016

Square Root: 204.94877408757534

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = n⁴ + 14·n³ + 63·n² + 98·n + 28. A346376

Numbers whose set of base-14 digits is {1,4}. A32826

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 401", based on the 5-celled von Neumann neighborhood. A271805

Numbers n such that the number formed by the digits of 2n sorted in ascending order is equal to the sum of the divisors of n after the digits of each divisor have been sorted in ascending order. A83387

Numerators of continued fraction convergents to sqrt(525). A42004